Since 20 is a factor of 40, the least common denominator of 3/20 and 9/40 is 40.
Do 81/3=27/3=9/3=3, So you see the answer is 3^<span>4, I don't know if that's the official way to solve it but it works.</span>
Answer:
3x-x+2=4
Step-by-step explanation:
<span>Hey there, Lets solve this step by step.
</span>
<span>"Two times the quantity of a number minus 12”
</span><span>Two times the quantity = 2 * n
</span>
<span>number minus 12 = n - 12
</span>
Therefore
2n-12